And julius kunze



(No Model.)

J. J; PEARSON .& J. KUNZE.

IGNITOR FOR GAS ENGINES.

IN VENT 0R:

WITNESSES:

ATTORNEYS.

UNITED STATES PATENT OFFICE.

JOHN J. PEARSON, OF NEW YORK, AND JULIUS KUNZE, OF YONKERS, NEW YORK.

IGNITOR FOR GAS-ENGINES.

SPECIFICATION forming part of Letters Patent No. 428,858, dated May 27, 1890.

Application filed August 19, 1889. Serial No. 321,243- (No model.)

To all whom it may concern: to receive a rod 76, which projects beyond the Be it known that we, JOHN J. PEARSON, of end of the valve and carries an igniting-plate New York city, in the county and State of Z, the said igniting-plate being made 01": p1ati New York, and JULIUS KUNZE, of Yonkers, num or other metal, which when hot will igin the countyof VVestchester and State of New nite gas. The said igniting-plate is capable 55 York,have invented a new and Improved Igof entering into the longitudinal bore of the nitor for Gas-Engines, of which the following valve-stem (1 when the valve F is seated. The is a specification,reference being had to the stem m of the valve F projects beyond the annexed drawings, forming a part thereof, in cap j and is furnished with a collar n, between to which-- which and the said cap is placed a spiral 60 Figure 1 is a plan view of the power-cylinspring 0, which tends to keep the valve F der with the igniting-plate attached. Fig. 2 against the shoulder in the cap j. is a vertical longitudinal section of the ignit- Upon the crank-shaft G is loosely mounted ing-valve. Fig. 3 is an inverted rear view of a cam p,which is capable of sliding in the di- I 5 the same; and Fig.4 is a longitudinal hori-, rection of the length of the said shaft G. The 65 zontal section. 7 hub q of the fiy-wheel H, mounted on the Similar letters of reference indicate correshaft G, is provided with ears 0*, to which are sponding parts in all the views. pivoted links .9, which in turn are pivotally Our invention relates to ignitors for gas-enconnected with the governor-balls i, and in a gines; and it consists in the construction and similar way the cam 19 is connected with the 70 arrangement of parts, as will be hereinafter governor-balls by the links a. Between the fully described and claimed. earn 1) and the hub q of the fly-wheel II is To the power-cylinderAis attached a valveplaced a spiral spring 1:, which presses the chamber B, which is provided with a watercam p away from the hub q.

jacket 0, communicating with the water- To the side of the engine-frame is pivoted 75 jacket of the power-cylinder through apera lover I, which is pivoted to the valve-stem tures a a. The interior of thevalve-ch amher m and is provided with a lug 10, which exis provided with a valve-seat b, to which is tends into the path of the cam 19 when the fitted a valve D, which opens into a cavity 0, said cam is not drawn back by the governor,

the said cavity being in communication with in the manner presently to be described. 80 the interior of the power-cylinder A. The The walls of the chamber B are provided end of the valve-chamber B is closed by a with apertures a a at diametrically-opposite head E, which forms a guide for the stem d sides in a vertical direction, so that a gas- 5 of the valve D, and in the said head E is arflame passing through theapertures will strike ranged a stuffing-box e, which forms a tight the igniting-plate land keep it at a sufii- 85 joint between the valve-stem and the head. ciently high temperature to ignite the gas The valve D is pressed to its seat bya spring when brought into contact therewith. Unfiattached to the rear end of the valve-chamderneath the chamber B is supported a Bunber. The valve-stem d is prolonged beyond sen burner J, the flame of which passes up the valve and at its extremity it is enlarged through the apertures a a. 0 and provided with a valve-seat g. The pro- The operation of our improved ignitor is longation of the stem is also bored longitudias follows: The plate Z being maintained at a nally and provided with transverse holes h. high temperature in the manner described,

In the forward end of the valve-chamberB when the gas in the power-cylinder is comis placed a valve F, provided with a shoulder pressed ready for ignition, the cam 19 engages 9 5 i, which rests against a corresponding shoulthe lever I, pushing forward the rod m,bringder in the cap j, screwed into the end of the ing the valve F to its seat g and introducing chamber. The valve F is fitted to the seat g the heated plate Z into the bore of the stem d. in the end of the prolongation of the valvc- By the continued motion of the valve F the stem d, and the said valve F is bored axially valve D is pushed from its seat,when the gas Ioo from the power-cylinder is permitted to pass into the space in front of the said valve D, when it will enter the apertures 7L and come into contact with the hot plate Z, which will ignite it and cause an explosion, which will be communicated to the mixture contained within the power-cylinder. \Vhen the lever I is released by the cam 1), the valves D F will be returned to their seats by the springs f o and the plate I will again be subj eeted to heating by the Bunsen burner .T. This operation is repeated whenever an ignition is required. hen the governor-balls t fly out by centrifugal action,the cam 1 is drawn toward the flywheel II, against the pressure of the spring 1*, when the said cam misses the lever I and an explosion is skipped.

Having thus described our invention, we claim as new and desire to secure by Letters Pateut- 1. The combination, with the power-cy1inder A, of the water-jacket valve-chamber B, the spring-pressed valve D, seated in the said chamber and provided with an apertured stem (1 and valve-seat g, as described, the valve F, fitted to the 'alve-seat the plate 7 carried by the valve F, the burner J, adapted to heat the plate 7, and the movable cam 1), arranged to push forward the valves F D, substantially as specified.

2. The comlnnation, with the valve F and the plate I, carried thereby, of: the valve-0perating lever I, the cam 21, the governor-balls 2, the links M .s, and the spring 1:, substantially as specified.

JOHN J. PEARSON. JULIUS KUNZE. \Vitncsses:

IGNAZ KUNZE, M. Janeen. 

